单项选择题 In general, the controls imposed upon children represents the needs of parents and the values of the community as much as the child's own happiness and well-being. What does the underlined part function as? A、predicate B、predicative C、attributive D、complement

多项选择题 杆塔按照其材料的不同,可分为 A. 木杆 B. 钢筋混凝土杆 C. 铁塔

单项选择题 人类与环境之间的矛盾和冲突从（   ）开始显现。 A、人类形成之初 B、农业文明后期 C、未来100年 D、人类形成30年后